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Related to sware: swear words
A past tense of swear.
v. swore, sworn, swear•ing. v.i.
1. to make a solemn declaration or affirmation by some sacred being or object, as a deity or the Bible.
2. to bind oneself by oath; vow.
3. to give evidence or make a statement on oath.
4. to use profane oaths or language.v.t.
5. to declare, affirm, etc., by swearing by a deity or a sacred object.
6. to testify or state on oath.
7. to affirm, assert, or say with solemn earnestness.
8. to promise on oath; vow.
9. to take (an oath).
10. to bind by an oath: swore them to secrecy.
11. swear by,
a. to name (a sacred being or object) as one's witness or guarantee in swearing.
b. to have great confidence in.
12. swear in, to admit to office or service by administering an oath.
13. swear off, to promise to give up (something, esp. intoxicating beverages).
14. swear out, to secure (a warrant for arrest) by making an accusation under oath.
[before 900; Middle English sweren, Old English swerian, c. Old Frisian swaria, Old Saxon, Old High German swerian, Old Norse sverja; akin to Gothic swaran to swear; compare answer]